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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingBaselWulf Zeller Business Sparring
Wulf Zeller Business Sparring Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company Success 21 provides consulting and coaching services to entrepreneurs and self-employed individuals to support them in overcoming challenges and achieving their goals. The core activity of the company lies in the development of strategies and solutions for sustainable growth, employee and customer enthusiasm, as well as the optimization of business processes.

AI-generated
Offering

Products & services

Industry:Management Consulting
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4.0/5

Wulf Zeller Business Sparring

✓ Offered8
Individual growth programmes
Individual growth programmes for self-employed people and companies; tailored support for positioning, customer acquisition, team building, profitability and sustainable growth.
START 21
START 21 for a successful start in self-employment or entrepreneurship; online or coaching programme with success plan, positioning, range, customer acquisition and network building.
WIN 21
WIN 21 for mastering challenges in a dynamic market environment; online or coaching programme on positioning, customer acquisition, team development, profitability and leadership tools.
GROW 21
GROW 21 for qualitative company development to the next level; individual programme on business model, growth system, employee and customer retention, and leadership skills.
FREE 21
FREE 21 to free yourself from disliked day-to-day operational tasks; coaching programme on growth system, profitability, leadership skills, future security and succession options.
SUCCESS 21 – Academy
SUCCESS 21 – Academy with specific modules and the four main programmes; learning and training modules for preliminary work, knowledge acquisition and preparation for 1:1 collaboration.
Networking impulse
Networking impulse for entrepreneurs with keynote speeches, structured networking and exchange; no sales event, focused on contacts and inspiration.
Free impulse & strategy meeting
Free impulse & strategy meeting to clarify the company potential and define suitable programme focus areas with a growth partner.
Trust & reputation

ranQ Trust Score of Wulf Zeller Business Sparring: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Wulf Zeller Business Sparring has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Wulf Zeller Business Sparring scores 60.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.58.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Wulf Zeller Business Sparring scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Wulf Zeller Business Sparring scores 82.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wulf Zeller Business Sparring reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Aeschenplatz 6
4052 Basel

At a glance

Legal form
Sole proprietorship
UID
CHE-390.849.784
Founded
2022 · 4 years
Last commercial register change
September 24, 2025
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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